Finding the Fourth Proportional to 325,484.75, 449,173.58 and 187,660.92
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Solution
The fourth proportional to 325,484.75, 449,173.58 and 187,660.92 is: 258,974.74
Step by Step Solution
- Step 1: Write the proportion equation
325,484.75 : 449,173.58 = 187,660.92 : x - Step 2: Convert to fraction form
325,484.75/449,173.58 = 187,660.92/x - Step 3: Cross multiply
325,484.75x = 449,173.58 × 187,660.92 - Step 4: Simplify right side
325,484.75x = 84,292,327,262.49 - Step 5: Solve for x
x = 84,292,327,262.49/325,484.75 - Step 6: Final answer
x = 258,974.74
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.